She appears to help around the farm, tending to the crops. She gives the quest Hard Luck Blues through dialogue. If the quest is completed and the Courier talks to her again, she won't even mention it; she will just tell them to go talk to Trent Bascom.
Interactions with the player character
|This character starts quests.|
Hard Luck Blues: She will mention that the crops there are faring poorly, the Courier can offer to help.
Morgan Blake appears only in Fallout: New Vegas.